Betelgeuse and Rigel are two stars in the night sky. Betelgeuse is a red supergiant STAR located in the constellation Orion, while Rigel is a blue supergiant STAR located in the same constellation. Both stars are among the brightest stars in the night sky and can be seen with the naked eye. They are both part of the Orion constellation, which is one of the most recognizable constellations in the night sky.